PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because electricity is the most widely used energy and is primarily produced using non-renewable and environment degrading sources, the need to look into other and sustainable sources has grown more acute.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ameinfo.com